Improvement in potato-diggers



nia, have invented manner hereinafter described'.

- machine, which IMPROVEMENT in Pfo Specification forming e T-all wh'om't't may-conectar: Y

v -Be it known that. PERRY MARCY, ot' Tun'khannock, Wye:ning county, Pennsylvacertain new and use tul Improvements iu'fPotato-Diggers and I do hereby declare thatthe following is a full, clear, and: exact description ot' ,the same, reference being had to the letters'ofre'ference markedthereon. The natureof. my`invention consists in :1r- .'raugingcertainparts of this .machinein the In theannexed drawing, making part of this specification, a a represent the frame ot' Vthe is supported upon au axle, E, said axle being provided with two wheels, b 1),' as shown ,in .thedrawing 'Beneaththe Traineau; isa sera fis made in, the form represented, on eac'hside,4and beingfinadc narrower at the lfront than at the rear, so that the potatoes and dirt received upo broader surface ast-,hey enter upon the seive at the rear ci' said scraper. This scraper is hinged at its rear lto a-rod which connects the two supports M L, which depend i'roin Vthe scraper isl nieans of the rods framed a. The front .end ofthe connected 'to a. levend, hy

to 'the accompanying drawing, andV per, H, which having ivi ugsl nit will heyscattered .oxjer a 'Thelever thas its-fulcrnln-upon a har,

4which connects the e upper ends ot' t ports or standards e c he sup'- upon the frame.

' his a ratchet-har,into which the lever catches with its loose end for 'the purpose of' station-V Vingitat any desired point. 'When the lever is moved the front end of the scraper isn-lade to rise or fallas may .be required.

A rod, c, with as'to forma screen, is made to pass across arms-"or teeth secured to it so ywhich -is secured upon TAT-DIGGERS.

part' of Letters Patent No. 33,093, dated August. 20, 1861.

'from .the lower ends of the supports M L. This rod has its beari rests immediately rear. m is anY arm nected at`its outer of'` a 'connecting-rod to the under side of a lever, e, as shown in Fig. 1. The looseend'of the lever e-catches into vthe teethv upon a ratchet-bar, g, and is thus held in propel-position. 'By raising the lever e the springt-is tightened with reference tothe sieve.- Upon the other end cured anarm, to which Ais attached a frictionV wheel, as seen' atrG.. This wheel plays between the teeth of the large ratchetfwheel` A,

under the. scraper H at its ot' the rod z, which is conend to a springt', by means The teeth of the ratchettiou of the arm and fricti quently avibratiou ot th When potatoes pass ontothe seraperby its Tunning under them the earth with them passes back, and,.being separated upon the ivide'nwheel cause a'vibra,

BISCI'ECH.

-ing scraper, 1s received upon the vibrating" screen. Vlhe earth and potatoes are thrown into the air by the screen and'fallhehind the machine perfectly tatoes are in good Having thus i'ul what I claim as 'new Letters Pat ent, is 4 ,i

The arrangement of the lever '6, spring t', aml-connectingrcd j" with the screen, operating as set forth, the several partsl being used as and --for the purpose specitied.

' PERRY MARQY.

condition `for gathering.

, and desire to' secure by Witnesses l C. M. ALEXANDER, v A. A. YEATM-AN.

ugs in these supports and ,f. .The springt'v is secured' ot' the rod z is seiv the main axle E E.

separated, so that the po-l ly described my invention, 

